Siemens SIMATIC S7-400 Reference Manual page 329

Cables
Precut cables are available in different fixed lengths for connecting the individual interface
modules. (See Appendix "Accessories and spare parts").
Table 6-5
IM 460-0 and IM 461-0
IM 460-3 and IM 461-3
IM 460-1 and IM 461-1
IM 460-4 and IM 461-4
Installation and removal of the modules during operation
Please read the following warning on the insertion and removal of the interface modules and
associated cables.
Data may be lost or corrupted.
Removing or inserting the interface modules and/or their associated cables under voltage
can result in the loss or corruption of data.
Switch off the power supply modules to the CR and ERs you are working on before you carry
out any changes.
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08
Cables for interface modules
Interface modules
CAUTION
6.1 Common features of the interface modules
6ES7468-1... (P bus and communication bus are transferred)
6ES7468-3... (P bus is transferred; mounting rack is supplied with
current via the IM)
6ES7468-1...
Interface modules
Cables
329